American Truckboxes - Manufacturer of Toolboxes
Semi Truck and Trailer Boxes and Toolboxes

Underbody Truck and Trailer Toolboxes

Underbody Trailer Toolboxes in Aluminum
Underbody Trailer Tool Boxes in Steel

Please call 1-888-996-0376 or
e-mail us for pricing and available sizes.
Online ordering is available at

Underbody boxes are super heavy duty, high capacity and offer easy access from side of truck. Boxes can be mounted in several ways including on the side of a trailer frame, under a trailer deck, or on a semi tractor. These boxes are perfect for storing your equipment, like chains, binders, straps, tarps or your personal gear or tools. Underbody boxes are available in different sizes and can be ordered custom size. All AMERICAN TRUCKBOXES boxes are designed and built to keep your equipment safe and secure.

Reference Documents:

Need a custom-designed or custom-sized underbody box for your truck or trailer? Contact us!!


American Truckboxes

American Truckboxes, LLC®

American Truckboxes, LLC
15750 6th Street SE
Blanchard, ND 58009
Toll-free: 1-888-996-0376
Phone: (701) 636-0376
Fax: (701) 636-0380
Office Hours (CST):
Monday through Friday
8:00 to 12:00 noon
1:00 to 5:00 p.m.
Sales Department:


We accept Visa, Mastercard, American Express and Discover
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